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OfflineGreenShaman
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pH meter is fucked
    #630316 - 07/03/12 08:18 PM (5 years, 23 days ago)

just put in new batteries and the pH of my one and only plant jumps from 7.0 to 7.5 to 8.3


what do I do?


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:wink:


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InvisibleHawksresurrection
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Registered: 12/05/08
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Re: pH meter is fucked [Re: GreenShaman]
    #630325 - 07/03/12 08:34 PM (5 years, 23 days ago)

Well is it jumping around, or is it climbing up there and staying at 8 something?


--------------------
Dude she isn't as young as she use to be.

-niteowl


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InvisiblebrainsOplenty
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Re: pH meter is fucked [Re: Hawksresurrection]
    #630368 - 07/04/12 12:15 AM (5 years, 23 days ago)

soil test meter?
i have an analog soil test meter.
it's the only way to fly.
i have a digital PH pen for water testing.
but i always keep a drip test kit for a backup.


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: GreenShaman]
    #630413 - 07/04/12 10:07 AM (5 years, 23 days ago)

Quote:

GreenShaman said:
just put in new batteries and the pH of my one and only plant jumps from 7.0 to 7.5 to 8.3


what do I do?




They do sell this calabration solution for you pen.I use it all the time just to make sure my pen is on the money.But Like brains said I keep a  drip kit as a back up


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OfflineGreenShaman
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Re: pH meter is fucked [Re: budgrowerwannabe]
    #631626 - 07/14/12 02:20 AM (5 years, 13 days ago)

Thanks for the help everyone, I wish they had more strips around my area (not just lsd lol)

I hate this digital reader... should I only be using it in water?

IT bounced from 6.5 (hooray) to 8.2 (OMG) so....yeaup

are the analogs less accurate?


--------------------
:wink:


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OfflineGreenShaman
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Re: pH meter is fucked [Re: budgrowerwannabe]
    #631627 - 07/14/12 02:21 AM (5 years, 13 days ago)

Quote:

budgrowerwannabe said:
Quote:

GreenShaman said:
just put in new batteries and the pH of my one and only plant jumps from 7.0 to 7.5 to 8.3


what do I do?




They do sell this calabration solution for you pen.I use it all the time just to make sure my pen is on the money.But Like brains said I keep a  drip kit as a back up




another thing to buy?? dag i donna if this is worth it


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:wink:


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: GreenShaman]
    #631636 - 07/14/12 08:04 AM (5 years, 13 days ago)

It is in the long run man i enjoy growing


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InvisiblephychotronM
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Registered: 02/17/11
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Re: pH meter is fucked [Re: GreenShaman]
    #631645 - 07/14/12 01:16 PM (5 years, 13 days ago)

Quote:

GreenShaman said:
Thanks for the help everyone, I wish they had more strips around my area (not just lsd lol)

I hate this digital reader... should I only be using it in water?

IT bounced from 6.5 (hooray) to 8.2 (OMG) so....yeaup

are the analogs less accurate?




There are two pouches of pH calibration that came with mine. one is 6.86 (the second decimal place is so you can calibrate it right between 6.8 and 6.9). The second is 'borax' @ 4.00 that you test the pen with after you calibrate it. Those were powder and I had to mix them with water, I had to buy some storage jars for the stuff so I could calibrate it in the future.

There should be a level that you submerge the meter in and after a few seconds it will stabilize. It does not hold your number, so it will go up when it is not in the water. Read it while it's still in the water.

I have some test strips that aged and stopped reading accurately--watch out for aging products. A small vial/dropper style test kit should be simple enough to use. The gen hydro ph adjust kit comes with one.  It's good to have one of those around to double check the pH meter from time to time, but harder to get an precise reading.


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: phychotron]
    #631731 - 07/15/12 10:20 AM (5 years, 12 days ago)

I use my pen every time i water so its a good idea to get a good one and get some calibration solution


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OfflineDelta-9-THC
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Re: pH meter is fucked [Re: GreenShaman]
    #631815 - 07/16/12 05:58 AM (5 years, 11 days ago)

Quote:

GreenShaman said:
just put in new batteries and the pH of my one and only plant jumps from 7.0 to 7.5 to 8.3


what do I do?




Which meter do you have? Can it be re-calibrated? I get the bottles of 4.0 and 7.0 calibration fluid from GH and use that. Works great. If it is jumping upward like that, my guess is it needs to be recalibrated (especially since you changed the batteries. The calibration might have been erased).


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Offlinekyuzo
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Re: pH meter is fucked [Re: Delta-9-THC]
    #631816 - 07/16/12 06:06 AM (5 years, 11 days ago)

yeah, I usually have to calibrate every time I change the sensor and batteries.  I also try to calibrate it once per day and make sure the sensor is always kept moist


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: kyuzo]
    #631834 - 07/16/12 01:05 PM (5 years, 11 days ago)

I heard you should store it in solution should i?


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InvisibleHawksresurrection
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Re: pH meter is fucked [Re: budgrowerwannabe]
    #631835 - 07/16/12 01:06 PM (5 years, 11 days ago)

Yup....


--------------------
Dude she isn't as young as she use to be.

-niteowl


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: Hawksresurrection]
    #631836 - 07/16/12 01:08 PM (5 years, 11 days ago)

Which one the 7.0 or4.01


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OfflineTank333
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Re: pH meter is fucked [Re: budgrowerwannabe]
    #631841 - 07/16/12 01:32 PM (5 years, 11 days ago)

Store it in solution?? I had never heard this... I just knew you gotta keep it damp. "If it dries, it dies" is the phrase I've always heard.


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InvisibleHawksresurrection
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Re: pH meter is fucked [Re: Tank333]
    #631842 - 07/16/12 01:34 PM (5 years, 11 days ago)

You keep it in an electrode conditioning solution.  Not a calibration solution. 


Tank, every manufacturer recommends storing it in solution.


--------------------
Dude she isn't as young as she use to be.

-niteowl


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OfflineTank333
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Re: pH meter is fucked [Re: Hawksresurrection]
    #631849 - 07/16/12 02:16 PM (5 years, 11 days ago)

Hmm... ok. I've never had a brand new-in-box ph pen before... lol. I've always had used ones. Except one, and it was a pos from china that wouldn't hold its calibration for shit.


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Offlinekyuzo
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Re: pH meter is fucked [Re: Hawksresurrection]
    #631860 - 07/16/12 03:04 PM (5 years, 11 days ago)

Quote:

hawksapprentice said:
You keep it in an electrode conditioning solution.  Not a calibration solution. 


Tank, every manufacturer recommends storing it in solution.




<<<3. Keep the sponge is moist.  If necessary, add some pH4 solution to the sponge.  The moist
sponge ensures that the glass electrode stays hydrated.>>>


as the above says, the entire idea is to keep the meter sensor from drying out.  Which can be easily accomplished by simply keeping it moist (I use a piece of paper towel that I soak with calibration solution)

naturally the same can be achieved by storing it directly into a solution, though it isn't neccasery


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InvisibleHawksresurrection
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Re: pH meter is fucked [Re: kyuzo]
    #631864 - 07/16/12 03:42 PM (5 years, 11 days ago)

I just took a glass, put a latex glove over it and then cut a slit in it.  Then I can just store my pen in the solution itself.


--------------------
Dude she isn't as young as she use to be.

-niteowl


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Offlinebudgrowerwannabe
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Re: pH meter is fucked [Re: Hawksresurrection]
    #631870 - 07/16/12 06:13 PM (5 years, 10 days ago)

Quote:

hawksapprentice said:
I just took a glass, put a latex glove over it and then cut a slit in it.  Then I can just store my pen in the solution itself.




Im  going to do the same thing hawk sounds like it works good


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Amazon Shop: ½ Pint Jars, pH Test Strips, Reagent Testing Kit

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